Christian right thinkers often argue that secularism is itself a religion. Enlightenment rationalism, they’ll say, is based on the same kind of faith as biblical literalism. In their 2005 book “Lord of All: Developing a Christian World-and-Life View,” televangelist D. James Kennedy and Jerry Newcombe write that every worldview “is based on some kind of assumptions and presuppositions that we probably have never proved…. Scientists operate by faith. Some have had the candor to admit it; others would deny it vehemently.” Evolution, Kennedy and Newcombe insist, is a religion that “is based upon belief in the reality of the unseen — belief in fossils that cannot be produced, belief in embryological evidence that does not exist, and belief in breeding experiments that refuse to come off.” Purporting to defend absolute verities, Kennedy and his ilk push an odd kind of relativism that allows them to dismiss inconvenient truths as the tainted product of hostile ideologies. This epistemological trick has been at the heart of many a right-wing crusade against the reality-based community.